/'nɑ:stɪ; [US] 'næ-; `næstɪ/
adj (-ier, -iest)
1 unpleasant; disgusting 令人不愉快的; 令人厌恶的
*a nasty smell, taste, sight 令人厌恶的气味、味道、情景
* I don't like the colour they've chosen for their new carpet it looks really nasty. 我不喜欢他们挑的那块新地毯的颜色--看着真让人恶心. Cf 参看 nice.
2 (a) unkind; spiteful 不善良的; 恶意的
*What a nasty man! 这个恶人!
* Don't be nasty to your little brother. 别跟你小弟弟动坏心眼儿.
* She has a nasty temper. 她脾气不好.
(b) morally bad 道德败坏的
*a person with a nasty mind 思想肮脏的人
* nasty stories 下流故事.
3 (a) dangerous; threatening 危险的; 威胁的
*The weather is too nasty for sailing. 这种天气作帆船运动太危险.
* He had a nasty look in his eye. 他眼露凶光.
* This is a nasty corner, ie is dangerous for cars going fast. 这个街角对疾驰的汽车来说非常危险.
(b) painful; severe 疼痛的; 严重的
*a nasty cut, wound, etc 严重的割伤、伤口等
* She had a nasty skiing accident. 她滑雪时出了严重事故.
* The news gave me a nasty shock. 我得知那一消息大为震惊.
4 (idm 习语) leave a bad/nasty taste in the mouth => leave1. a nasty piece of work (infml 口) unpleasant or untrustworthy person 讨厌的或不可靠的人.

adj comparativenastiersuperlativenastiest

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1【behaviour】
2【person】
3【experience/situation】
4【sight/smell etc】
5【injury/illness】
6【substance】
7 a nasty piece of work

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[Date: 1300-1400; Origin: Perhaps from a Scandinavian language]
【BEHAVIOUR】
nasty behaviour or remarks are extremely unkind and unpleasant
　a nasty temper
　the nasty things that were being written about her
　There's a nasty streak in her character.
　Drivers often have a nasty habit of driving too close to cyclists.
nasty to
　Don't be so nasty to your mum (=do not treat her unkindly) .
get/turn nasty
especially BrE (=suddenly start behaving in a threatening way)
　When Harry refused, Don turned nasty and went for him with both fists.
【PERSON】
someone who is nasty behaves in an unkind and unpleasant way
　I went to school with him - he was nasty then and he's nasty now.
　You're a nasty little brute!
【EXPERIENCE/SITUATION】
a nasty experience, feeling, or situation is unpleasant
nasty shock/surprise
　It gave me a nasty shock.
nasty feeling/suspicion
　I had a nasty feeling that a tragedy was going to happen.
　Life has a nasty habit of repeating itself.
　He had a nasty accident while riding in the forest.
　When you feel you've been cheated, it always leaves a nasty taste in the mouth (=makes you feel upset or angry afterwards) .
　The weather turned nasty towards the evening.
【SIGHT/SMELL ETC】
having a bad appearance, smell, taste etc
　What's that nasty smell?
　They were cheap and nasty watches, the kind you see on special offer in petrol stations.
【INJURY/ILLNESS】
severe or very painful
　a nasty cut
　He was carried off the field with a nasty injury.
【SUBSTANCE】
a nasty substance is dangerous
　nasty chemicals
a nasty piece of work
BrE someone who is dishonest, violent, or likely to cause trouble
>nastilyadv
>nastinessn[U]
→video nasty